EP1858038B1 - Relais doté d'un renforcement de la force de contact - Google Patents

Relais doté d'un renforcement de la force de contact Download PDF

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Publication number
EP1858038B1
EP1858038B1 EP07008491A EP07008491A EP1858038B1 EP 1858038 B1 EP1858038 B1 EP 1858038B1 EP 07008491 A EP07008491 A EP 07008491A EP 07008491 A EP07008491 A EP 07008491A EP 1858038 B1 EP1858038 B1 EP 1858038B1
Authority
EP
European Patent Office
Prior art keywords
relay
contact
contact spring
line
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP07008491A
Other languages
German (de)
English (en)
Other versions
EP1858038A2 (fr
EP1858038A3 (fr
Inventor
Rainer Schmelz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gruner AG
Original Assignee
Gruner AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gruner AG filed Critical Gruner AG
Priority to PL07008491T priority Critical patent/PL1858038T3/pl
Publication of EP1858038A2 publication Critical patent/EP1858038A2/fr
Publication of EP1858038A3 publication Critical patent/EP1858038A3/fr
Application granted granted Critical
Publication of EP1858038B1 publication Critical patent/EP1858038B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit

Definitions

  • the invention relates to a relay with a guided through a relay housing double line, one, first line has at least one movable contact element which closes the circuit of the first line in a first relay position and interrupts in a second relay position, and the other, second line formed continuously is, as well as a relay arrangement with several such relays.
  • Such a relay and such a relay arrangement are for example by the US 2006/0066425 A1 known.
  • the contact element is designed as a contact spring and that the second line is substantially parallel to the contact spring and before the spring surface.
  • the contact force with which the contact spring bears against the associated relay contact is supported by the magnetic repulsion force exerted by the magnetic field of the through-flow line through which the contact spring flows in the opposite direction.
  • This magnetic contact force is greater, the higher the current intensity and the smaller the distance between the continuous line and the contact spring 10.
  • the second line is formed at least in the region of the contact spring as a flat cable and facing with its one surface side of the spring surface of the contact spring.
  • the two lines are preferably flat cables, which are outside the area of the contact spring with their edges facing each other.
  • each of the two lines preferably has connection ends on both sides of the relay housing.
  • the contact spring is coupled for movement with the actuating element of the magnetic drive in the opening and / or closing direction of the contact spring, wherein the actuating element can advantageously be displaceably guided in one, preferably in both lines of the double line.
  • the invention also relates to a relay arrangement having a plurality of, preferably three, relays constructed as above and having a common drive, preferably a magnetic drive, for simultaneously deflecting the contact springs of the plurality of relays.
  • the relay arrangement is used in particular in conjunction with electricity meters to disconnect consumers from the grid, and can be retrofitted as an option to existing electricity meters.
  • the two lines of each double line are connected together in the electricity meter to evaluate the power consumption.
  • the actuator of the common drive in one, preferably guided in two lines each of the plurality of relays displaceable.
  • relay assembly 1 is used to interrupt a three-phase circuit and includes three juxtaposed relay 2 , each with a guided through a common relay housing 3 double line 4 and a common magnetic drive 5 for simultaneously operating the relay. 2
  • the two lines 6, 7 of the double line 4 are, as in Fig. 2 shown, designed as flat cables and each have on both sides of the relay housing 3 connection ends.
  • right flat cable 6 has two edgewise angled relay contacts 8, 9 and a circuit between the two relay contacts 8, 9 closing or interrupting contact spring 10 , which is designed as an electrically conductive leaf or flat spring.
  • the contact spring 10 is fixed at its one end electrically conductive on the relay contact 8, while their other, free end 11 carries a contact button 12 and by means of the magnetic drive 5 is deflected.
  • the contact spring 10 is in the in Fig.
  • the contact spring 10 is double-armed with two parallel free ends 11 and therefore designed with two contact buttons 12, which cooperate with two contact buttons 13 of the relay contact 9.
  • the contact spring 10 is formed as a multilayer leaf spring with a laterally projecting from its plane arc section 14 .
  • Left flat line 7 is formed continuously and has a vertically angled center section 15 , the surface side is substantially parallel to the spring surface 16 of the contact spring 10 and is arranged with the smallest possible distance in front of the spring surface 16. At their terminal ends, the two flat cables 6, 7 facing each other with their edges.
  • the magnetic drive 5 comprises a umpolbare magnetic coil 17 with a magnetic circuit, at the two yoke legs 18, an armature (armature rocker) 19 with a permanent magnet (not shown) is pivotally held.
  • the permanent magnet is arranged between two anchor plates 20 , which in the two Switch positions of the armature 19 each abut the yoke legs 18.
  • the magnet coil 17 and the pivotable between its two switching positions armature 19 form a H-anchor suit.
  • the armature 19 engages with a protruding arm 21 in an opening (not shown) of an actuating element 22 which is guided linearly displaceable in the deflection direction of the contact spring 10 (double arrow 23) .
  • each contact spring 10 is a leaf spring 24 ( Fig. 2 ) fastened from spring steel whose free end engages together with the free end 11 of the contact spring 10 between two projections 25, 26 of the adjusting element 22 and serves to reduce bounce.
  • the actuator 22 takes the projection 25, the contact spring 10 via its free end 11 directly in the opening direction of the relay 1, ie in Fig. 1 to the left, and with the projection 26, the contact spring 10 by means of the leaf spring 24 in the closing direction of the relay 1, ie to the right, with.
  • the contact spring 10 is coupled for movement with the adjusting element 22 in the opening and closing direction.
  • the adjusting element 22 is in each case in guide openings 27 (FIG. Fig. 2 ) of the two lines 6, 7 slidably guided.
  • two continuous flat cables (neutral lines) 28, 29 are guided under the magnetic drive 5 through the relay housing 3.
  • the relay assembly 1 is connected to a three-phase electricity meter 30 and serves to disconnect consumers from the mains.
  • the power meter 30 has for each phase ("PHASE 1 - 3") and for a neutral conductor ("NEUTRAL") each have an input IN and an output OUT , which are connected to each other in the electricity meter 30 to evaluate the power consumption.
  • the lines 6, 7 of the relay arrangement 1 and the two neutral lines 28, 29 are respectively connected to the corresponding terminals IN and OUT of the electricity meter 30.
  • the magnetic field of the magnetic coil 17 is reversed, whereby the armature 19 is pivoted and the adjusting element 22 is displaced.
  • the actuator 22 is shifted by right-handed arm 21 to the right, whereby the contact springs 10 of the relay 2 are deflected by their leaf springs 24 to the right to the contact buttons 12 on the contact buttons 13 of the relay contact 9.
  • the leaf springs 24 of the deflection act the contact springs 10 in the opening direction, resulting in a bounce-reduced closing of the relay 2.
  • the actuator 22 is displaced to the right by the arm 21 pivoted to the left, whereby the contact springs 10 are taken from the actuator 22 and their contact buttons 12 are lifted from the contact buttons 13 of the relay contact 9.

Claims (12)

  1. Relais (2), avec une ligne double (4) que l'on fait passer à travers un boîtier de relais (3) et dont une première ligne (6) présente au moins un élément de contact mobile qui ferme le circuit électrique de la première ligne (6) dans une première position du relais et l'interrompt dans une deuxième position du relais, et dont la deuxième ligne (7) est réalisée ininterrompue,
    caractérisé en ce que l'élément de contact est réalisé sous forme de ressort de contact (10), et en ce que la deuxième ligne (7) s'étend sensiblement parallèlement au ressort de contact (10) et en avant de sa face de ressort (16).
  2. Relais selon la revendication 1, caractérisé en ce que la deuxième ligne (7) est réalisée sous forme de ligne plate au moins dans la région du ressort de contact (10), et est tournée par un de ses côtés plats vers la face de ressort (16) du ressort de contact (10).
  3. Relais selon la revendication 1 ou 2, caractérisé en ce que les deux lignes (6, 7) sont réalisées sous forme de lignes plates.
  4. Relais selon la revendication 3, caractérisé en ce qu'en dehors de la région du ressort de contact (10), les deux lignes plates (6, 7) sont tournées l'une vers l'autre par leurs bords.
  5. Relais selon l'une des revendications précédentes, caractérisé en ce que chacune des deux lignes (6, 7) présente des extrémités de raccordement de part et d'autre du boîtier de relais (3).
  6. Relais selon l'une des revendications précédentes, caractérisé par un entraînement, de préférence un entraînement magnétique (5), pour dévier le ressort de contact (10) dans la position de relais respective.
  7. Relais selon la revendication 6, caractérisé en ce que l'entraînement magnétique (5) présente une bobine magnétique (17) à inversion de polarité, un induit (19) présentant un aimant permanent, qui est maintenu à pivotement entre deux positions de commutation sur deux branches de culasse (18) de la bobine magnétique (17), et un élément (22) d'actionnement du ressort de contact (10), élément qui est guidé en déplacement sensiblement parallèlement à l'axe de la bobine et qui est couplé en déplacement à l'induit (19).
  8. Relais selon la revendication 7, caractérisé en ce que le ressort de contact (10) est couplé en déplacement à l'élément d'actionnement (22) de l'entraînement magnétique (5) dans la direction d'ouverture et/ou de fermeture du ressort de contact (10).
  9. Relais selon la revendication 7 ou 8, caractérisé en ce que l'élément d'actionnement (22) de l'entraînement magnétique (5) est guidé en déplacement dans une des lignes (6, 7), de préférence dans les deux lignes (6, 7) de la ligne double (4).
  10. Système de relais (1), avec plusieurs, de préférence trois relais (2) selon l'une des revendications précédentes, et avec un entraînement commun, de préférence un entraînement magnétique (5), pour dévier simultanément les ressorts de contact (10) des relais (2).
  11. Système de relais selon la revendication 10, caractérisé en ce que l'élément d'actionnement (22) de l'entraînement commun est guidé en déplacement dans une des lignes (6, 7), de préférence dans les deux lignes (6, 7) de chacun des relais (2).
  12. Système de relais selon la revendication 10 ou 11, caractérisé en ce qu'on fait passer à travers le boîtier de relais (3) un ou plusieurs conducteurs neutres (28, 29) réalisés ininterrompus.
EP07008491A 2006-05-15 2007-04-26 Relais doté d'un renforcement de la force de contact Active EP1858038B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07008491T PL1858038T3 (pl) 2006-05-15 2007-04-26 Przekaźnik ze wzmocnionym dociskiem styków

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006022912A DE102006022912A1 (de) 2006-05-15 2006-05-15 Relais mit Kontaktkraftverstärkung

Publications (3)

Publication Number Publication Date
EP1858038A2 EP1858038A2 (fr) 2007-11-21
EP1858038A3 EP1858038A3 (fr) 2009-06-10
EP1858038B1 true EP1858038B1 (fr) 2012-08-29

Family

ID=38331725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07008491A Active EP1858038B1 (fr) 2006-05-15 2007-04-26 Relais doté d'un renforcement de la force de contact

Country Status (3)

Country Link
EP (1) EP1858038B1 (fr)
DE (1) DE102006022912A1 (fr)
PL (1) PL1858038T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8330564B2 (en) 2010-05-04 2012-12-11 Tyco Electronics Corporation Switching devices configured to control magnetic fields to maintain an electrical connection
JP6732986B2 (ja) * 2019-03-22 2020-07-29 富士通コンポーネント株式会社 電磁継電器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022625B (de) * 1954-04-09 1958-01-16 Deutsche Bundesbahn Relais, im besonderen fuer Eisenbahnsicherungseinrichtungen
CH409056A (de) * 1964-06-01 1966-03-15 Standard Telephon & Radio Ag Vakuumschalter
DE1185742B (de) * 1962-08-20 1965-01-21 Siemens Ag Kontaktfedersatz
US3419828A (en) * 1966-12-13 1968-12-31 Arrow Hart Inc Means proportional to magnetic flux to bias electric switch contacts closed
DE2027335A1 (de) * 1969-11-13 1971-05-19 Porqueddu A Kontaktanordnung fur hohe Strome
SE433687B (sv) * 1979-12-21 1984-06-04 Ericsson Telefon Ab L M Fjedergrupp for rele
DE4026425C1 (fr) * 1990-08-21 1992-02-27 Siemens Ag, 8000 Muenchen, De
DE10162585C1 (de) * 2001-12-19 2003-04-24 Gruner Ag Prellreduziertes Relais
US20060066425A1 (en) * 2004-09-29 2006-03-30 Gruner Klaus A Multi-phase electromagnetic relay assembly and motor assembly

Also Published As

Publication number Publication date
DE102006022912A1 (de) 2007-11-22
EP1858038A2 (fr) 2007-11-21
PL1858038T3 (pl) 2013-01-31
EP1858038A3 (fr) 2009-06-10

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